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Chickadees, titmice and nuthatches flocking together benefit from a diversity bonus – so do other animals, including humans

  • Written by Todd M. Freeberg, Professor and Associate Head of Psychology, University of Tennessee
Chickadees, titmice and nuthatches flocking together benefit from a diversity bonus – so do other animals, including humansMore watchful eyes can mean more safety for all.Georgette Douwma/Stone via Getty Images

Carolina chickadees are small, boisterous year-round residents of the southeastern United States. They are regularly found with much larger tufted titmice, white-breasted nuthatches and various woodpecker species.

In these mixed flocks, chickadees are almost...

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